<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Visibility</title>
  <style>
    div {
      width: 100px;
      height: 100px;
      background: red;
      margin-bottom: 10px;
    }
    article {
      padding: 30px;
      width: 400px;
      border: solid 1px #ddd;
    }

    div:nth-of-type(1) {
     /* display: none;I*/
     /*  visibility: hidden;*/
     opacity: 0;
    }
  </style>
</head>
<body>
  <article>
    <div>1</div>
    <div>2</div>
  </article>
</body>
</html>